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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Mon 09 Oct, 2006
Analysis Summary
----------------
BGP routing table entries examined: 199731
Prefixes after maximum aggregation: 108599
Unique aggregates announced to Internet: 96884
Total ASes present in the Internet Routing Table: 23303
Origin-only ASes present in the Internet Routing Table: 20301
Origin ASes announcing only one prefix: 9763
Transit ASes present in the Internet Routing Table: 3002
Transit-only ASes present in the Internet Routing Table: 73
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 29
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 4
Unregistered ASNs in the Routing Table: 4
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1596182540
Equivalent to 95 /8s, 35 /16s and 208 /24s
Percentage of available address space announced: 43.1
Percentage of allocated address space announced: 59.6
Percentage of available address space allocated: 72.3
Total number of prefixes smaller than registry allocations: 100100
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43760
Total APNIC prefixes after maximum aggregation: 17518
Prefixes being announced from the APNIC address blocks: 41405
Unique aggregates announced from the APNIC address blocks: 18430
APNIC Region origin ASes present in the Internet Routing Table: 2710
APNIC Region origin ASes announcing only one prefix: 757
APNIC Region transit ASes present in the Internet Routing Table: 404
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 262769504
Equivalent to 15 /8s, 169 /16s and 139 /24s
Percentage of available APNIC address space announced: 82.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 121/8, 122/7, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 100532
Total ARIN prefixes after maximum aggregation: 59467
Prefixes being announced from the ARIN address blocks: 73862
Unique aggregates announced from the ARIN address blocks: 27880
ARIN Region origin ASes present in the Internet Routing Table: 11045
ARIN Region origin ASes announcing only one prefix: 4208
ARIN Region transit ASes present in the Internet Routing Table: 1022
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 304044416
Equivalent to 18 /8s, 31 /16s and 89 /24s
Percentage of available ARIN address space announced: 67.1
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 40639
Total RIPE prefixes after maximum aggregation: 26847
Prefixes being announced from the RIPE address blocks: 37538
Unique aggregates announced from the RIPE address blocks: 25096
RIPE Region origin ASes present in the Internet Routing Table: 8582
RIPE Region origin ASes announcing only one prefix: 4505
RIPE Region transit ASes present in the Internet Routing Table: 1394
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 267003684
Equivalent to 15 /8s, 234 /16s and 39 /24s
Percentage of available RIPE address space announced: 72.3
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-41983
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 12482
Total LACNIC prefixes after maximum aggregation: 3840
Prefixes being announced from the LACNIC address blocks: 10504
Unique aggregates announced from the LACNIC address blocks: 6224
LACNIC Region origin ASes present in the Internet Routing Table: 729
LACNIC Region origin ASes announcing only one prefix: 246
LACNIC Region transit ASes present in the Internet Routing Table: 125
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 32988928
Equivalent to 1 /8s, 247 /16s and 95 /24s
Percentage of available LACNIC address space announced: 49.2
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 2314
Total AfriNIC prefixes after maximum aggregation: 927
Prefixes being announced from the AfriNIC address blocks: 1645
Unique aggregates announced from the AfriNIC address blocks: 1085
AfriNIC Region origin ASes present in the Internet Routing Table: 164
AfriNIC Region origin ASes announcing only one prefix: 47
AfriNIC Region transit ASes present in the Internet Routing Table: 27
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4294144
Equivalent to 0 /8s, 65 /16s and 134 /24s
Percentage of available AfriNIC address space announced: 12.8
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 1243 8174 236 CHINANET-BACKBONE
4755 1002 255 66 Videsh Sanchar Nigam Ltd. Aut
9583 968 109 15 Sify Limited
9498 864 212 70 BHARTI BT INTERNET LTD.
4766 741 4436 307 Korea Telecom (KIX)
1221 607 1780 465 Telstra Pty Ltd
7545 540 124 74 TPG Internet Pty Ltd
17488 534 33 12 Hathway IP Over Cable Interne
17676 499 10933 63 Softbank BB Corp.
18101 457 85 18 Reliance Infocom Ltd Internet
9443 454 111 74 Primus Telecommunications
9942 427 77 127 COMindico Australia
17849 424 31 127 Telecommunications Technology
4802 414 86 151 Wantree Development
4812 410 741 63 China Telecom (Shanghai)
17974 368 129 12 PT TELEKOMUNIKASI INDONESIA
17557 360 30 176 Pakistan Telecom
2907 336 1734 312 SINET Japan
4837 324 3556 140 chinanet IDC center beijing n
10139 311 23 6 Meridian Telekoms
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1517 6208 979 AT&T WorldNet Services
2386 1165 610 739 AT&T Data Communications Serv
4323 1029 783 294 Time Warner Telecom
6197 1023 643 480 BellSouth Network Solutions,
18566 966 272 8 Covad Communications
174 964 6823 890 Cogent Communications
721 959 21909 305 DLA Systems Automation Center
701 953 6742 782 UUNET Technologies, Inc.
1239 832 2763 587 Sprint
11492 752 90 13 Cable One
19262 751 2392 189 Verizon Global Networks
20115 749 673 390 Charter Communications
22773 713 1744 46 Cox Communications, Inc.
209 704 3630 552 Qwest
7011 674 209 427 Citizens Utilities
6478 590 1272 384 AT&T Worldnet Services
852 588 1069 385 Telus Advanced Communications
19916 565 49 54 OLM LLC
855 543 250 74 Canadian Research Network
5668 537 145 18 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1929 425 UUNET - Commercial IP service
3301 310 1184 294 TeliaNet Sweden
3320 299 5013 244 Deutsche Telekom AG
8220 279 455 265 COLT Telecommunications
24863 273 41 30 LINKdotNET AS number
680 251 2041 247 DFN-IP service G-WiN
6746 246 91 224 Dynamic Network Technologies,
3246 229 485 219 Song Networks
8708 221 279 208 Romania Data Systems S.A.
9116 220 134 23 Goldenlines main autonomous s
1257 212 740 168 SWIPnet Swedish IP Network
3215 210 1832 96 France Telecom Transpac
3269 203 2261 73 TELECOM ITALIA
30890 201 18 78 SC Kappa Invexim SRL
8551 200 182 27 Bezeq International
6830 197 879 43 UPC Distribution Services
8866 185 37 15 Bulgarian Telecommunication C
5416 181 12 11 BATELCO-BH
3300 172 170 95 AUCS Communications Services
786 171 1779 171 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 603 1811 224 UniNet S.A. de C.V.
11172 375 99 90 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
22047 303 206 11 VTR PUNTO NET S.A.
11830 281 299 9 Instituto Costarricense de El
6147 264 140 24 Telefonica Del Peru
6471 255 74 30 ENTEL CHILE S.A.
14117 235 15 8 Telefonica del Sur S.A.
7303 206 91 25 Telecom Argentina Stet-France
10481 181 72 8 Prima S.A.
6503 179 168 84 AVANTEL, S.A.
23216 146 19 45 RAMtelecom Telecomunicaciones
21826 144 18 29 INTERCABLE
7910 137 9 18 ANDINET ON LINE
19429 137 83 39 E.T.B.
19169 136 9 21 Telconet
11556 132 96 4 Cable-Wireless Panama
18822 129 8 10 TELEFONICA MANQUEHUE
14522 118 18 9 SatNet S.A.
7738 113 410 20 Telecomunicacoes da Bahia S.A
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 295 804 234 The Internet Solution
8452 173 60 7 TEDATA
6713 145 139 12 Itissalat Al-MAGHRIB
2018 134 297 111 Tertiary Education Network
5536 121 8 18 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
33783 108 6 3 EEPAD TISP TELECOM & INTERNET
15475 101 84 4 Nile Online
2905 75 157 68 The Internetworking Company o
2561 55 6 2 Egyptian Universities Network
15706 55 12 4 Sudatel Internet Exchange Aut
5713 36 293 32 Telkom SA Ltd
12455 36 6 3 Jambonet Autonomous system
33774 34 7 21 AS Number for Telecom Algeria
23889 27 8 12 MAURITIUS TELECOM
21280 26 4 4 Swift Global Kenya Ltd.Is an
16637 24 19 23 Johnnic e-Ventures
10798 23 1 14 Standard Bank of South Africa
21491 23 17 2 UTL On-line is RF broadband I
8524 22 1 5 AUCEGYPT Autonomous System
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1243 1007 CHINANET-BACKBONE
18566 966 958 Covad Communications
9583 968 953 Sify Limited
4755 1002 936 Videsh Sanchar Nigam Ltd. Aut
9498 864 794 BHARTI BT INTERNET LTD.
11492 752 739 Cable One
4323 1029 735 Time Warner Telecom
22773 713 667 Cox Communications, Inc.
721 959 654 DLA Systems Automation Center
19262 751 562 Verizon Global Networks
6197 1023 543 BellSouth Network Solutions,
17488 534 522 Hathway IP Over Cable Interne
5668 537 519 CenturyTel Internet Holdings,
19916 565 511 OLM LLC
855 543 469 Canadian Research Network
7545 540 466 TPG Internet Pty Ltd
18101 457 439 Reliance Infocom Ltd Internet
17676 499 436 Softbank BB Corp.
4766 741 434 Korea Telecom (KIX)
15270 468 433 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65530 PRIVATE 64.135.249.0/24 6536 MountainNet, Inc.
65530 PRIVATE 64.135.250.0/23 6536 MountainNet, Inc.
65530 PRIVATE 64.135.252.0/22 6536 MountainNet, Inc.
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.84.205.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
192.249.0.0/20 3450 University of Tennessee, Knox
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:9 /10:13 /11:29 /12:106
/13:214 /14:384 /15:766 /16:9032 /17:3505 /18:5711
/19:12328 /20:13952 /21:12311 /22:15637 /23:17028 /24:107390
/25:444 /26:425 /27:189 /28:67 /29:42 /30:95
/31:0 /32:36
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 949 966 Covad Communications
2386 883 1165 AT&T Data Communications Serv
6197 803 1023 BellSouth Network Solutions,
9583 799 968 Sify Limited
7018 798 1517 AT&T WorldNet Services
11492 740 752 Cable One
7011 581 674 Citizens Utilities
19916 559 565 OLM LLC
4766 550 741 Korea Telecom (KIX)
9498 516 864 BHARTI BT INTERNET LTD.
15270 437 468 PaeTec.net -a division of Pae
4755 433 1002 Videsh Sanchar Nigam Ltd. Aut
855 423 543 Canadian Research Network
5668 419 537 CenturyTel Internet Holdings,
17849 412 424 Telecommunications Technology
1239 407 832 Sprint
18101 391 457 Reliance Infocom Ltd Internet
22773 373 713 Cox Communications, Inc.
33588 371 392 Bresnan Communications, LLC.
17488 354 534 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:53 12:1643 13:1 15:16 16:3
17:3 18:4 20:41 24:823 25:1 32:58
38:257 40:56 41:22 44:3 47:7 52:4
53:1 55:1 56:3 57:25 58:223 59:276
60:215 61:903 62:947 63:1908 64:3141 65:2235
66:3007 67:645 68:650 69:1652 70:394 71:92
72:945 74:84 75:8 80:831 81:699 82:603
83:399 84:399 85:698 86:411 87:577 88:222
89:490 91:4 121:52 122:13 124:415 125:644
128:286 129:229 130:122 131:312 132:35 133:9
134:167 135:51 136:177 137:95 138:130 139:47
140:526 141:134 142:344 143:193 144:238 145:43
146:320 147:137 148:356 149:177 150:114 151:120
152:75 153:121 154:5 155:254 156:161 157:166
158:155 159:171 160:98 161:85 162:208 163:157
164:232 165:218 166:239 167:248 168:488 169:128
170:376 171:11 172:1 190:233 192:5765 193:3501
194:2727 195:2093 196:901 198:3879 199:3312 200:4483
201:967 202:6913 203:7156 204:3921 205:2107 206:2423
207:2967 208:2293 209:3511 210:2185 211:837 212:1334
213:1489 214:378 215:39 216:4060 217:1134 218:341
219:259 220:791 221:386 222:231
End of report
Report Website: http://thyme.apnic.net
